Re: How to convert mesh data in octave to Gnuplot data file

[pauljoseph]

Marc Normandin wrote:
> 
> Does something like
> 
> [x,y] = meshgrid (1:size(z,1), 1:size(z,2))
> 
> do what you want?
> 
> 

Hi Marc, 
I tried using meshgrid, but I still need to "reshape" the matrix, but then
when I write to file, I need some breaklines. I didn't how to do it but
manually.

This is what I have done.
z=[0,0,0;0,1,0;0,0,0];
x=[1,2,3];
y=[1,2,3];
[XX,YY]=meshgrid(x,y);
gpX=reshape(XX,9,1);
gpY=reshape(YY,9,1);
gpZ=reshape(z,9,1);

[gpX,gpY,gpZ]=
   1   1   0
   1   2   0
   1   3   0
   2   1   0
   2   2   1
   2   3   0
   3   1   0
   3   2   0
   3   3   0
dlmwrite('test.dat',[gpX,gpY,gpZ],'\t');

So ya, this is almost what I want, but when I write to text file, I need
break lines among the blocks, the desired output in the text file should be
   1   1   0
   1   2   0
   1   3   0

   2   1   0
   2   2   1
   2   3   0

   3   1   0
   3   2   0
   3   3   0


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